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首页> 外文会议>2010 International Congress on Ultra Modern Telecommunications and Control Systems and Workshops >Spectral and power efficiency trade-offs for multi-antenna reception techniques under co-channel interference
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Spectral and power efficiency trade-offs for multi-antenna reception techniques under co-channel interference

机译：同频干扰下多天线接收技术的频谱和功率效率的权衡

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摘要

Spatial receive diversity and receive beamforming are two competing multi-antenna reception strategies for enhancement of spectral and power efficiency of wireless communication systems since they both use the same resource that is the spatial degrees-of-freedom. We analyze in this paper ergodic and block-fading outage spectral efficiencies as well as average BERs of an hybrid diversity-beamforming receiver with antenna partitioning over flat Rayleigh-fading uplink channels under co-channel interference. The results validated by Monte-Carlo simulations decipher the trade-offs in terms of spectral and power efficiencies in between all-diversity, hybrid diversity-beamforming and all-beamforming reception for different scenarios represented by average SNR per path and desired signal-to-interference ratio (DIR) for using these multi-antenna reception techniques in interference-limited wireless communication systems.
机译：空间接收分集和接收波束成形是提高无线通信系统频谱和功率效率的两种竞争性多天线接收策略，因为它们都使用相同的资源，即空间自由度。在本文中，我们分析了在同信道干扰下，在平坦瑞利衰落上行链路信道上进行天线划分的混合分集波束成形接收机的遍历和块衰落中断频谱效率以及平均误码率。蒙特卡洛模拟验证的结果可解释频谱分析和功率效率之间的权衡取舍，该频谱取决于不同情况下的全分集，混合分集波束形成和全波束形成接收之间的权衡，以每条路径的平均SNR和所需的信噪比表示干扰比（DIR），用于在干扰受限的无线通信系统中使用这些多天线接收技术。

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